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Exam AWS-SysOps topic 1 question 28 discussion

Exam question from Amazon's AWS-SysOps
Question #: 28
Topic #: 1
[All AWS-SysOps Questions]

Which of the following requires a custom CloudWatch metric to monitor?

  • A. Data transfer of an EC2 instance
  • B. Disk usage activity of an EC2 instance
  • C. Memory Utilization of an EC2 instance
  • D. CPU Utilization of an EC2 instance
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Suggested Answer: C 🗳️
http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/ec2-metricscollected.html
CPU, Disk I/O, Data Transfer are default metrics. Memory is not mentioned.
by karmaah at Dec. 25, 2019, 2:46 p.m.
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awscertified
Highly Voted 6 months, 3 weeks ago
B. Disk usage activity of an EC2 instance C. Memory Utilization of an EC2 instance
upvoted 5 times
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TroyMcLure
Most Recent 6 months ago
Correct Answer: C
upvoted 1 times
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RicardoD
6 months, 1 week ago
C is the answer Memory Utilization is not in default metrics and need to be acquired via custom metrics
upvoted 1 times
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karmaah
6 months, 3 weeks ago
Question should have provided two Options for Custom. ( Disk Usage & mem) https://docs.aws.amazon.com/AWSEC2/latest/UserGuide//monitoring_ec2.html
upvoted 2 times
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karmaah
6 months, 4 weeks ago
Memory and Disk Usage are available only for Ec2 Linux Instances if you use cloudwatch Agent. Also ref question 433 too. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/mon-scripts.html
upvoted 2 times
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